Forms: Add unique IDs when multiple instances.

projects/packages/forms/changelog/update-forms-unique-id

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Forms: Add unique ids to each form

projects/packages/forms/src/contact-form/class-contact-form.php

@@ -118,6 +118,14 @@ public function __construct( $attributes, $content = null ) {
 			$default_to      .= $post_author->user_email;
 		}
 
+		if ( ! empty( self::$forms ) ) {
+			// Ensure 'id' exists in $attributes before trying to modify it
+			if ( ! isset( $attributes['id'] ) ) {
+				$attributes['id'] = '';
+			}
+			$attributes['id'] = $attributes['id'] . '-' . ( count( self::$forms ) + 1 );
+		}
+
 		$this->hash                 = sha1( wp_json_encode( $attributes ) );
 		self::$forms[ $this->hash ] = $this;
 

projects/packages/forms/tests/php/contact-form/test-class.contact-form.php

@@ -2,6 +2,8 @@
 /**
  * Unit Tests for Automattic\Jetpack\Forms\Contact_Form.
  *
+ * To run the test visit the packages/forms directory and run composer test-php
+ *
  * @package automattic/jetpack-forms
  */
 
@@ -21,6 +23,8 @@
 
 	private $post;
 
+	private $track_feedback_inserted;
+
 	private $plugin;
 
 	/**
@@ -98,16 +102,28 @@
 		remove_all_filters( 'wp_mail' );
 		remove_all_filters( 'grunion_still_email_spam' );
 		remove_all_filters( 'jetpack_contact_form_is_spam' );
+
+		// Reset the forms array
+		Contact_Form::$forms        = array();
+		Contact_Form::$last         = null;
+		Contact_Form::$current_form = null;
 	}
 
 	/**
 	 * Adds the field values to the global $_POST value.
 	 *
-	 * @param array $values Array of field key value pairs.
+	 * @param array  $values Array of form fields and values.
+	 * @param string $form_id Optional form ID. If not provided, will use $this->post->ID.
 	 */
-	private function add_field_values( $values ) {
+	private function add_field_values( $values, $form_id = null ) {
+		$prefix = $form_id ? $form_id : 'g' . $this->post->ID;
+		$_POST  = array();
 		foreach ( $values as $key => $val ) {
-			$_POST[ 'g' . $this->post->ID . '-' . $key ] = $val;
+			if ( strpos( $key, 'contact-form' ) === 0 || strpos( $key, 'action' ) === 0 ) {
+				$_POST[ $key ] = $val;
+			} else {
+				$_POST[ $prefix . '-' . $key ] = $val;
+			}
 		}
 	}
 
@@ -2067,4 +2083,58 @@
 			Util::grunion_contact_form_apply_block_attribute( $original, array( 'foo' => 'bar' ) )
 		);
 	}
+	/**
+	 * Helper function that tracks the ids of the feedbacks that got created.
+	 */
+	public function track_feedback_inserted( $post_id ) {
+		$this->track_feedback_inserted[] = $post_id;
+	}
+	/**
+	 * Tests that multiple instances of the same form work correctly with unique IDs.
+	 */
+	public function test_multiple_form_instances_with_unique_ids() {
+		global $post;
+
+		$this->track_feedback_inserted = array();
+		add_action( 'grunion_after_feedback_post_inserted', array( $this, 'track_feedback_inserted' ), 10, 1 );
+
+		$this->add_field_values(
+			array(
+				'name'    => 'First form name 1',
+				'message' => 'First form message 1',
+			),
+			'g' . $post->ID
+		);
+
+		$form1 = new Contact_Form( array(), "[contact-field label='Name' type='name' required='1'/][contact-field label='Message' type='textarea' required='1'/]" );
+		// Submit first form
+		$result1 = $form1->process_submission();
+
+		$this->assertTrue( is_string( $result1 ), 'First form submission should be successful' );
+
+		$this->add_field_values(
+			array(
+				'name'    => 'First form name 2',
+				'message' => 'First form message 2',
+			),
+			'g' . $post->ID . '-2'
+		);
+
+		$form2   = new Contact_Form( array(), "[contact-field label='Name' type='name' required='1'/][contact-field label='Message' type='textarea' required='1'/]" );
+		$result2 = $form2->process_submission();
+
+		$this->assertTrue( is_string( $result2 ), 'First form submission should be successful' );
+
+		// Verify that the forms have different IDs
+		$this->assertNotEquals( $form1->get_attribute( 'id' ), $form2->get_attribute( 'id' ), 'Forms should have unique IDs' );
+
+		remove_action( 'grunion_after_feedback_post_inserted', array( $this, 'track_feedback_inserted' ), 10, 1 );
+
+		$this->assertTrue( count( $this->track_feedback_inserted ) === 2 );
+
+		foreach ( $this->track_feedback_inserted as $feedback_id ) {
+			$feedback = get_post( $feedback_id );
+			$this->assertStringContainsString( 'First form name', $feedback->post_content );
+		}
+	}
 } // end class

projects/plugins/jetpack/changelog/update-forms-unique-id

@@ -0,0 +1,5 @@
+Significance: patch
+Type: bugfix
+Comment: Forms: Add unique ids to each form
+
+